Latest KVPY Aptitude Question SOLUTION: Consider the regions A = {(x, y) | x^2 + y^2 ≤ 100} and = {(x, y) | sin (x + y) > 0} in the plane. Then the area of the region A ∩ B is- (A) 10 π (B) 100 (C) 100 π (D) 50 π